From patchwork Wed Jun 23 13:56:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 12339897 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-23.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D022C48BE5 for ; Wed, 23 Jun 2021 13:57:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 469876101D for ; Wed, 23 Jun 2021 13:57:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230206AbhFWN7b (ORCPT ); Wed, 23 Jun 2021 09:59:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230229AbhFWN7b (ORCPT ); Wed, 23 Jun 2021 09:59:31 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC8AFC061756 for ; Wed, 23 Jun 2021 06:57:13 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 4BAFAA66; Wed, 23 Jun 2021 15:57:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1624456632; bh=zkmDzzXy6Aj5sqyeewl5jTCDtz/zSWWGpD2bQyw7pIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G7cXcxukdjJWCcQlHdmGRDd6bu8zXkQRE3lSJ8twTVnyukDnXNLlr+FDPP+wguQM4 aOYzy1/vGQkRhncrUYvRkIZSh0kszEdiQZ2yEMGJRHAY/2fm7tdpXaz9H+bxTYBI5i mhdaSWbZPBDvOh+YfpImsLcofeBj/xjKvXMQpwus= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: display: bridge: Add binding for R-Car MIPI DSI/CSI-2 TX Date: Wed, 23 Jun 2021 16:56:38 +0300 Message-Id: <20210623135639.17125-2-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210623135639.17125-1-laurent.pinchart+renesas@ideasonboard.com> References: <20210623135639.17125-1-laurent.pinchart+renesas@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org The R-Car MIPI DSI/CSI-2 TX is embedded in the Renesas R-Car V3U SoC. It can operate in either DSI or CSI-2 mode, with up to four data lanes. Signed-off-by: Laurent Pinchart Reviewed-by: Kieran Bingham --- .../display/bridge/renesas,dsi-csi2-tx.yaml | 118 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 119 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml new file mode 100644 index 000000000000..afeeb967393d --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/renesas,dsi-csi2-tx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car MIPI DSI/CSI-2 Encoder + +maintainers: + - Laurent Pinchart + +description: | + This binding describes the MIPI DSI/CSI-2 encoder embedded in the Renesas + R-Car V3U SoC. The encoder can operate in either DSI or CSI-2 mode, with up + to four data lanes. + +properties: + compatible: + enum: + - renesas,r8a779a0-dsi-csi2-tx # for V3U + + reg: + maxItems: 1 + + clocks: + items: + - description: Functional clock + - description: DSI (and CSI-2) functional clock + - description: PLL reference clock + + clock-names: + items: + - const: fck + - const: dsi + - const: pll + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Parallel input port + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: DSI/CSI-2 output port + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + minItems: 1 + maxItems: 4 + + required: + - data-lanes + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - clocks + - power-domains + - resets + - ports + +additionalProperties: false + +examples: + - | + #include + #include + + dsi0: dsi-encoder@fed80000 { + compatible = "renesas,r8a779a0-dsi-csi2-tx"; + reg = <0xfed80000 0x10000>; + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; + clocks = <&cpg CPG_MOD 415>, + <&cpg CPG_CORE R8A779A0_CLK_DSI>, + <&cpg CPG_CORE R8A779A0_CLK_CP>; + clock-names = "fck", "dsi", "pll"; + resets = <&cpg 415>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi0_in: endpoint { + remote-endpoint = <&du_out_dsi0>; + }; + }; + + port@1 { + reg = <1>; + dsi0_out: endpoint { + data-lanes = <1 2>; + remote-endpoint = <&sn65dsi86_in>; + }; + }; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index b2cbb5c49358..1c9ea6279189 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6139,6 +6139,7 @@ L: dri-devel@lists.freedesktop.org L: linux-renesas-soc@vger.kernel.org S: Supported T: git git://linuxtv.org/pinchartl/media drm/du/next +F: Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml F: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml F: Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml F: Documentation/devicetree/bindings/display/renesas,du.yaml